The Shangai Composite Index decreased 36 points or 0.98 percent on Thursday to close at 3645 points. The decline was led by China Fortune (-3.48%), Yonyou Soft (-3.32%) and BAIC BluePark (-3.09%). On the upside, the strongest performers were Huayu Automotive (3.89%), China Shenhua Engy (3.79%) and Bank Of Nanjing (3.70%).